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USB2641 Fiches technique(PDF) 27 Page - Microchip Technology

No de pièce USB2641
Description  Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo
PDF  60 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB2641 Fiches technique(HTML) 27 Page - Microchip Technology

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DS00001947C-page 27
USB2640/USB2641
7.3.3.6
1Eh: USB Language String Descriptor Length
7.3.3.7
1Fh: USB Language String Descriptor Type
7.3.3.8
20h: USB Language Identifier Least Significant Byte
7.3.3.9
21h: USB Language Identifier Most Significant Byte
7.3.3.10
22h: USB Manufacturer String Descriptor Length
7.3.3.11
23h: USB Manufacturer String Descriptor Type
7.3.3.12
24h-31h: USB Manufacturer String
7.3.3.13
32h-5Dh: Reserved
Byte
Name
Description
0
USB_LANG_LEN
USB serial string descriptor length as defined by Section 9.6.7 “String” of the
USB 2.0 Specification (Revision 2.0, 2000). This field is the “bLength” which
describes the size of the string descriptor (in bytes).
Byte
Name
Description
1
USB_LANG_TYP
USB serial string descriptor type as defined by Section 9.6.7 “String” of the
USB 2.0 Specification (Revision 2.0, 2000). This field is the “bDescriptorType”
which is a constant value associated with a string descriptor type.
Byte
Name
Description
2
USB_LANG_ID
_LSB
English Language Code = ‘0409’. See Note 7-3 to reference additional
language ID’s defined by the USB-IF.
Byte
Name
Description
3
USB_LANG_ID
_MSB
English Language Code = ‘0409’. See Note 7-3 to reference additional
language ID’s defined by the USB-IF.
Byte
Name
Description
0
USB_MFR_STR
_LEN
USB serial string descriptor length as defined by Section 9.6.7 “String” of the
USB 2.0 Specification (Revision 2.0, 2000). This field is the “bLength” which
describes the size of the string descriptor (in bytes).
Byte
Name
Description
1
USB_MFR_STR
_TYP
USB serial string descriptor type as defined by Section 9.6.7 “String” of the
USB 2.0 Specification (Revision 2.0, 2000). This field is the “bDescriptorType”
which is a constant value associated with a string descriptor type.
Byte
Name
Description
15:2
USB_MFR_STR
Maximum string length is 28 characters. (See Note 7-4)
Byte
Name
Description
59:16
Reserved
Reserved.



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